Corey, G. (2009). Theory and practice of counseling and psychotherapy. Australia: Thomson/Brooks/Cole.
Dyfyniad Arddull ChicagoCorey, Gerald. Theory and Practice of Counseling and Psychotherapy. Australia: Thomson/Brooks/Cole, 2009.
Dyfyniad MLACorey, Gerald. Theory and Practice of Counseling and Psychotherapy. Australia: Thomson/Brooks/Cole, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.